Home / 767,730,940,778.88-1,058,958,558,562.40-493,723,018,965.28

Finding the Fourth Proportional to 767,730,940,778.88, 1,058,958,558,562.40 and 493,723,018,965.28

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Solution

The fourth proportional to 767,730,940,778.88, 1,058,958,558,562.40 and 493,723,018,965.28 is: 681,009,698,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,730,940,778.88 : 1,058,958,558,562.40 = 493,723,018,965.28 : x
  2. Step 2: Convert to fraction form
    767,730,940,778.88/1,058,958,558,562.40 = 493,723,018,965.28/x
  3. Step 3: Cross multiply
    767,730,940,778.88x = 1,058,958,558,562.40 × 493,723,018,965.28
  4. Step 4: Simplify right side
    767,730,940,778.88x = 522,832,216,492,549,420,875,776
  5. Step 5: Solve for x
    x = 522,832,216,492,549,420,875,776/767,730,940,778.88
  6. Step 6: Final answer
    x = 681,009,698,478.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.